Update app.py

app.py

@@ -41,7 +41,7 @@ def respond(
         messages,
         max_tokens=max_tokens,
         stream=True,
-        stop=["<|im_end|><|im_end|>", "<|im_end|>", "|im_end|>"],
+        stop=["<|im_end|><|im_end|>", "<|im_end|>", "|im_end|>", "|im_start|>"],
         #temperature=temperature,
         #top_p=top_p,
     ):